Cordless telephone



FIG. 1 is a perspective view of a cordless telephone, showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a cordless telephone, as shown and described. 